The last troops of the Confederate Army of Northern Virginia cross the Potomac River into Maryland, while the first troops of the Federal Army of the Potomac begin crossing as well.
Exploring the most important 55 months in American history
The last troops of the Confederate Army of Northern Virginia cross the Potomac River into Maryland, while the first troops of the Federal Army of the Potomac begin crossing as well.
Joseph Hooker pinpoints the location of the Confederate Army of Northern Virginia as it moves through Maryland and Pennsylvania, and issues orders for his Federal army to cross the Potomac in pursuit.
Citizens panic as Confederates start entering Pennsylvania. Robert E. Lee issues stern orders against looting civilian property, Joseph Hooker develops a secret strategy for dealing with the Confederate invasion, and the Confederate cavalry prepares to ride around the Federal army.
Robert E. Lee’s Confederate Army of Northern Virginia continues crossing the Potomac River, as Joseph Hooker is frustrated with his superiors in Washington and his Federal cavalry try uncovering Lee’s plan.
Part of the Confederate Army of Northern Virginia drives toward Winchester on its way to the Potomac River and the North.
Federals in the Shenandoah Valley are put on high alert as the vanguard of the Confederate Army of Northern Virginia moves westward through the Blue Ridge.